[Jeremy1976]

Originally Posted by skellyo

You need a 32P spur instead of the stock 86T, which is 48P.

You can get 32P traxxas spurs in the following sizes:
54, 56, 58, 62, 65, 68 and 72

You won't need a 25T pinion when the spur tooth count is dropped.

Also, yes, the bore reducer Mike sells will adapt a 5mm bore pinion (32P or Mod1) to a 1/8th shaft motor.

Thanks, I sent you a pm.